Podcast
Questions and Answers
What is the primary source of energy and materials for autotrophic organisms?
What is the primary source of energy and materials for autotrophic organisms?
- Oxygen and sunlight
- Carbon dioxide and water (correct)
- Nitrogen and phosphorus
- Complex substances from other organisms
How do heterotrophic organisms differ from autotrophic organisms in terms of food intake?
How do heterotrophic organisms differ from autotrophic organisms in terms of food intake?
- They depend on other organisms for their food (correct)
- They directly absorb carbon dioxide and water for nutrition
- They rely on complex substances obtained from inorganic sources
- They undergo photosynthesis to produce their own food
Which process fulfills the carbon and energy requirements of autotrophic organisms?
Which process fulfills the carbon and energy requirements of autotrophic organisms?
- Fermentation
- Photosynthesis (correct)
- Respiration
- Transpiration
What role do enzymes play in the breakdown of complex substances for use by organisms?
What role do enzymes play in the breakdown of complex substances for use by organisms?
How do autotrophs differ from heterotrophs in obtaining energy?
How do autotrophs differ from heterotrophs in obtaining energy?